
/*

  Shape Shifter
  =============
  A canvas experiment by Kenneth Cachia
  http://www.kennethcachia.com

  Updated code
  ------------
  https://github.com/kennethcachia/Shape-Shifter 

*/


var S = {
    init: function () {
        var action = window.location.href,
            i = action.indexOf('?a=');

        S.Drawing.init('.canvas');
        document.body.classList.add('body--ready');

        // if (i !== -1) {
        //     S.UI.simulate(decodeURI(action).substring(i + 3));
        // } else {
        //     S.UI.simulate('Shape|Shifter|Type|to start|#rectangle|#countdown 3||');
        // }

        S.Drawing.loop(function () {
            S.Shape.render();
        });
    }
};


S.Drawing = (function () {
    var canvas,
        context,
        renderFn
    requestFrame = window.requestAnimationFrame ||
        window.webkitRequestAnimationFrame ||
        window.mozRequestAnimationFrame ||
        window.oRequestAnimationFrame ||
        window.msRequestAnimationFrame ||
        function (callback) {
            window.setTimeout(callback, 1000 / 60);
        };

    return {
        init: function (el) {
            canvas = document.querySelector(el);
            context = canvas.getContext('2d');
            this.adjustCanvas();

            window.addEventListener('resize', function (e) {
                S.Drawing.adjustCanvas();
            });
        },

        loop: function (fn) {
            renderFn = !renderFn ? fn : renderFn;
            this.clearFrame();
            renderFn();
            requestFrame.call(window, this.loop.bind(this));
        },

        adjustCanvas: function () {
            canvas.width = window.innerWidth;
            canvas.height = window.innerHeight;
        },

        clearFrame: function () {
            context.clearRect(0, 0, canvas.width, canvas.height);
        },

        getArea: function () {
            return { w: canvas.width, h: canvas.height };
        },

        drawCircle: function (p, c, x) {
            //   drawCircle: function (p, c) {
            // context.fillStyle = c.render();
            // context.beginPath();
            // context.arc(p.x, p.y, p.z, 0, 2 * Math.PI, true);
            // context.closePath();
            // context.fill();
            var image = new Image();
            image.src = x;
            context.drawImage(image, p.x, p.y, p.z * 3, p.z * 3);
        }
    }
}());


S.UI = (function () {
    // var input = document.querySelector('.ui-input'),
    //     ui = document.querySelector('.ui'),
    //     help = document.querySelector('.help'),
    //     commands = document.querySelector('.commands'),
    //     overlay = document.querySelector('.overlay'),
    var canvas = document.querySelector('.canvas'),
        interval,
        timeout,
        downinterval,
        isTouch = false, //('ontouchstart' in window || navigator.msMaxTouchPoints),
        currentAction = 0,
        resizeTimer,
        time,
        maxShapeSize = 30,
        firstAction = true,
        sequence = [],
        d_time = 10000,
        cmd = '#';
        can = 0;

    function formatTime(date) {
        var h = date.getHours(),
            m = date.getMinutes(),
            m = m < 10 ? '0' + m : m;
        return h + ':' + m;
    }

    function getValue(value) {
        return value && value.split(' ')[1];
    }

    function getAction(value) {
        value = value && value.split(' ')[0];
        return value && value[0] === cmd && value.substring(1);
    }

    // function timedAction(fn, delay, max, reverse) {
    //     clearInterval(interval);
    //     currentAction = reverse ? max : 1;
    //     fn(currentAction);

    //     if (!max || (!reverse && currentAction < max) || (reverse && currentAction > 0)) {
    //         interval = setInterval(function () {
    //             currentAction = reverse ? currentAction - 1 : currentAction + 1;
    //             fn(currentAction);

    //             if ((!reverse && max && currentAction === max) || (reverse && currentAction === 0)) {
    //                 clearInterval(interval);
    //             }
    //         }, delay);
    //     }
    // }

    function timedAction(fn, delay, max,circulation) {
        clearTimeout(timeout);	
        if (!max || (currentAction <= max)) {		
            if (max && currentAction == max && signwall_show_str.indexOf('#countdown') != -1) {	
                currentAction = 1;
            }else if (max && currentAction == max && signwall_show_str.indexOf('#countdown') == -1) {
                currentAction = 0;
            }
            fn(currentAction);
            timeout = setTimeout(function(){
                currentAction = currentAction + 1;
                timedAction(fn, d_time, sequence.length, circulation);			
            },d_time);
        }	
      }
      function downAction(fn, delay, maxDown) {		//倒计时  
        clearInterval(downinterval);
        fn(maxDown);
        if (maxDown > 0) {
          downinterval = setInterval(function () {
            clearTimeout(timeout);
            maxDown = maxDown - 1;
            fn(maxDown);
            if (maxDown === 0) {			
              clearInterval(downinterval);
            }
          }, delay);
        }
      }

    function reset(destroy) {
        clearInterval(interval);
        sequence = [];
        time = null;
        destroy && S.Shape.switchShape(S.ShapeBuilder.letter(''));
    }

    function performAction(value,circulation) {
	  
        var action;
        var current;
        sequence = typeof(value) === 'object' ? value : sequence.concat(value.split('|'));
        timedAction(function (index) {
          circulation = sequence.length==1 ? 1 : index + 1;
          current = sequence[circulation-1];
          action = getAction(current);
          value = getValue(current);
          $('#container').hide();
          $('.canvas').show();
          //console.log(action);
          switch (action) {
          case 'countdown':
              can = 1;
            value = parseInt(value, 10) || 10;
            value = value > 0 ? value : 10;
            downAction(function (index) {
              if (index == 0) {
                if (sequence.length == 0) {			  
                  S.Shape.switchShape(S.ShapeBuilder.letter(''));
                } else {
                  currentAction += 1;
                  performAction(sequence,circulation);
                }
              } else {
                S.Shape.switchShape(S.ShapeBuilder.letter(index), true);
              }
            }, 4000, value);
            d_time = 10000;
            break;
    
          case 'rectangle':
              can = 1;
            value = value && value.split('x');
            value = (value && value.length === 2) ? value : [maxShapeSize, maxShapeSize / 2];
    
            S.Shape.switchShape(S.ShapeBuilder.rectangle(Math.min(maxShapeSize, parseInt(value[0], 10)), Math.min(maxShapeSize, parseInt(value[1], 10))));
            d_time = 10000
            break;
    
          case 'circle':
              can = 1;
            value = parseInt(value, 10) || maxShapeSize;
            value = Math.max(value, maxShapeSize);
            S.Shape.switchShape(S.ShapeBuilder.circle(value));
            d_time = 10000
            break;
    
          case 'time':
              can = 1;
            var t = formatTime(new Date());
    
            if (sequence.length > 0) {
              S.Shape.switchShape(S.ShapeBuilder.letter(t));
            } else {
              timedAction(function () {
                t = formatTime(new Date());
                if (t !== time) {
                  time = t;
                  S.Shape.switchShape(S.ShapeBuilder.letter(time));
                }
              }, 1000);
            }
            d_time = 10000
            break;
    
          case 'icon':
              can = 1;
            S.ShapeBuilder.imageFile(value, function (obj) {
              S.Shape.switchShape(obj);
            });
            d_time = 10000
            break;
    
          case 'torus':	  	
              if (can == 1){
                  S.Shape.switchShape(S.ShapeBuilder.letter(''));
                setTimeout(function(){
                    $('.canvas').fadeOut(2000);	
                },3000);
                d_time = 31000;
                setTimeout(function(){
                    S.Shape.clearCanvas();
                    $('#container').show();
                    style = 'torus';
                    transform( targets.torus, 2000, 'torus', 32 );
                },3000);
            }else{ 
                d_time = 29000;
                $('#container').show();
                style = 'torus';
                transform( targets.torus, 2000, 'torus', 32 );
            }
            can = 0;
            break;
            
          case 'sphere':
              if (can == 1) {
                  S.Shape.switchShape(S.ShapeBuilder.letter(''));	  	
                  setTimeout(function() {
                      $('.canvas').fadeOut(2000);	
                  },3000);
    //  			d_time = 34000;
                  d_time = 26000;
                  //console.log(1);
                  setTimeout(function(){
                      S.Shape.clearCanvas();
                      $('#container').show();
                      style = 'sphere';
                      transform( targets.sphere, 2000, 'sphere', 40 );
                  },4000);
              } else {
    //  			d_time = 40000; 
                  d_time = 26000; 
                  //console.log(2);
                  $('#container').show();
                  style = 'sphere';
                  transform( targets.sphere, 2000, 'sphere', 40 );
              }
              can = 0;
          break;
          case 'grid':
              if (can == 1){
                QD.Sp.ssp(QD.SBCS.letter(''));     
                setTimeout(function(){
                  $('.canvas').fadeOut(2000); 
                },3000);
                d_time = 20000;
                setTimeout(function(){
                  QD.Sp.cls();
                  $('#container').show();
                  style = 'grid';
                  transform( targets.grid, 2000, 'grid', 27 );
                },4000);
              }else{
                d_time = 20000; 
                $('#container').show();
                style = 'grid';
                transform( targets.grid, 2000, 'grid', 27 );
              }
              can = 0;
              break;
          case 'helix':
              if (can == 1){
                  S.Shape.switchShape(S.ShapeBuilder.letter(''));	  	
                setTimeout(function(){
                    $('.canvas').fadeOut(2000);	
                },3000);
                d_time = 24000;
                setTimeout(function(){
                    S.Shape.clearCanvas();
                    $('#container').show();
                    style = 'helix';
                    transform( targets.helix, 2000, 'helix', 24 );
                },4000);
            }else{ 
                d_time = 20000;
                $('#container').show();
                style = 'helix';
                transform( targets.helix, 2000, 'helix', 20 );
            }
            can = 0;
            break;
    
          default:
              can = 1;
            S.Shape.switchShape(S.ShapeBuilder.letter(current[0] === cmd ? 'What?' : current));
            d_time = 10000
          }
        }, d_time, sequence.length, circulation);
      }

    // function performAction(value) {
    //     var action,
    //         value,
    //         current;

    //     overlay.classList.remove('overlay--visible');
    //     sequence = typeof (value) === 'object' ? value : sequence.concat(value.split('|'));
    //     input.value = '';
    //     checkInputWidth();

    //     timedAction(function (index) {
    //         current = sequence.shift();
    //         action = getAction(current);
    //         value = getValue(current);

    //         switch (action) {
    //             case 'countdown':
    //                 value = parseInt(value) || 10;
    //                 value = value > 0 ? value : 10;

    //                 timedAction(function (index) {
    //                     if (index === 0) {
    //                         if (sequence.length === 0) {
    //                             S.Shape.switchShape(S.ShapeBuilder.letter(''));
    //                         } else {
    //                             performAction(sequence);
    //                         }
    //                     } else {
    //                         S.Shape.switchShape(S.ShapeBuilder.letter(index), true);
    //                     }
    //                 }, 1000, value, true);
    //                 break;

    //             case 'rectangle':
    //                 value = value && value.split('x');
    //                 value = (value && value.length === 2) ? value : [maxShapeSize, maxShapeSize / 2];

    //                 S.Shape.switchShape(S.ShapeBuilder.rectangle(Math.min(maxShapeSize, parseInt(value[0])), Math.min(maxShapeSize, parseInt(value[1]))));
    //                 break;

    //             case 'circle':
    //                 value = parseInt(value) || maxShapeSize;
    //                 value = Math.min(value, maxShapeSize);
    //                 S.Shape.switchShape(S.ShapeBuilder.circle(value));
    //                 break;

    //             case 'time':
    //                 var t = formatTime(new Date());

    //                 if (sequence.length > 0) {
    //                     S.Shape.switchShape(S.ShapeBuilder.letter(t));
    //                 } else {
    //                     timedAction(function () {
    //                         t = formatTime(new Date());
    //                         if (t !== time) {
    //                             time = t;
    //                             S.Shape.switchShape(S.ShapeBuilder.letter(time));
    //                         }
    //                     }, 1000);
    //                 }
    //                 break;
    //             // 
    //             case 'icon':
    //                 can = 1;
    //                 S.ShapeBuilder.imageFile(value, function (obj) {
    //                     S.Shape.switchShape(obj);
    //                 });
    //                 d_time = 10000
    //                 break;

    //             case 'torus':
    //                 if (can == 1) {
    //                     S.Shape.switchShape(S.ShapeBuilder.letter(''));
    //                     setTimeout(function () {
    //                         $('.canvas').fadeOut(2000);
    //                     }, 3000);
    //                     d_time = 31000;
    //                     setTimeout(function () {
    //                         S.Shape.clearCanvas();
    //                         $('#container').show();
    //                         style = 'torus';
    //                         transform(targets.torus, 2000, 'torus', 32);
    //                     }, 3000);
    //                 } else {
    //                     d_time = 29000;
    //                     $('#container').show();
    //                     style = 'torus';
    //                     transform(targets.torus, 2000, 'torus', 32);
    //                 }
    //                 can = 0;
    //                 break;

    //             case 'sphere':
    //                 if (can == 1) {
    //                     S.Shape.switchShape(S.ShapeBuilder.letter(''));
    //                     setTimeout(function () {
    //                         $('.canvas').fadeOut(2000);
    //                     }, 3000);
    //                     //  			d_time = 34000;
    //                     d_time = 26000;
    //                     //console.log(1);
    //                     setTimeout(function () {
    //                         S.Shape.clearCanvas();
    //                         $('#container').show();
    //                         style = 'sphere';
    //                         transform(targets.sphere, 2000, 'sphere', 40);
    //                     }, 4000);
    //                 } else {
    //                     //  			d_time = 40000; 
    //                     d_time = 26000;
    //                     //console.log(2);
    //                     $('#container').show();
    //                     style = 'sphere';
    //                     transform(targets.sphere, 2000, 'sphere', 40);
    //                 }
    //                 can = 0;
    //                 break;
    //             case 'grid':
    //                 if (can == 1) {
    //                     QD.Sp.ssp(QD.SBCS.letter(''));
    //                     setTimeout(function () {
    //                         $('.canvas').fadeOut(2000);
    //                     }, 3000);
    //                     d_time = 20000;
    //                     setTimeout(function () {
    //                         QD.Sp.cls();
    //                         $('#container').show();
    //                         style = 'grid';
    //                         transform(targets.grid, 2000, 'grid', 27);
    //                     }, 4000);
    //                 } else {
    //                     d_time = 20000;
    //                     $('#container').show();
    //                     style = 'grid';
    //                     transform(targets.grid, 2000, 'grid', 27);
    //                 }
    //                 can = 0;
    //                 break;
    //             case 'helix':
    //                 if (can == 1) {
    //                     S.Shape.switchShape(S.ShapeBuilder.letter(''));
    //                     setTimeout(function () {
    //                         $('.canvas').fadeOut(2000);
    //                     }, 3000);
    //                     d_time = 24000;
    //                     setTimeout(function () {
    //                         S.Shape.clearCanvas();
    //                         $('#container').show();
    //                         style = 'helix';
    //                         transform(targets.helix, 2000, 'helix', 24);
    //                     }, 4000);
    //                 } else {
    //                     d_time = 20000;
    //                     $('#container').show();
    //                     style = 'helix';
    //                     transform(targets.helix, 2000, 'helix', 20);
    //                 }
    //                 can = 0;
    //                 break;

    //             default:
    //                 S.Shape.switchShape(S.ShapeBuilder.letter(current[0] === cmd ? 'What?' : current));
    //         }
    //     }, 2000, sequence.length);
    // }

    function checkInputWidth(e) {
        if (input.value.length > 18) {
            ui.classList.add('ui--wide');
        } else {
            ui.classList.remove('ui--wide');
        }

        if (firstAction && input.value.length > 0) {
            ui.classList.add('ui--enter');
        } else {
            ui.classList.remove('ui--enter');
        }
    }

    // function bindEvents() {
    //     document.body.addEventListener('keydown', function (e) {
    //         input.focus();

    //         if (e.keyCode === 13) {
    //             firstAction = false;
    //             reset();
    //             performAction(input.value);
    //         }
    //     });

    //     input.addEventListener('input', checkInputWidth);
    //     input.addEventListener('change', checkInputWidth);
    //     input.addEventListener('focus', checkInputWidth);

    //     help.addEventListener('click', function (e) {
    //         overlay.classList.toggle('overlay--visible');
    //         overlay.classList.contains('overlay--visible') && reset(true);
    //     });

    //     commands.addEventListener('click', function (e) {
    //         var el,
    //             info,
    //             demo,
    //             tab,
    //             active,
    //             url;

    //         if (e.target.classList.contains('commands-item')) {
    //             el = e.target;
    //         } else {
    //             el = e.target.parentNode.classList.contains('commands-item') ? e.target.parentNode : e.target.parentNode.parentNode;
    //         }

    //         info = el && el.querySelector('.commands-item-info');
    //         demo = el && info.getAttribute('data-demo');
    //         url = el && info.getAttribute('data-url');

    //         if (info) {
    //             overlay.classList.remove('overlay--visible');

    //             if (demo) {
    //                 input.value = demo;

    //                 if (isTouch) {
    //                     reset();
    //                     performAction(input.value);
    //                 } else {
    //                     input.focus();
    //                 }
    //             } else if (url) {
    //                 //window.location = url;
    //             }
    //         }
    //     });

    //     canvas.addEventListener('click', function (e) {
    //         overlay.classList.remove('overlay--visible');
    //     });
    // }

    function init() {
        // bindEvents();
        // input.focus();
        isTouch && document.body.classList.add('touch');
    }

    // Init
    init();

    return {
        simulate: function (action) {
            performAction(action);
        }
    }
}());


// S.UI.Tabs = (function () {
//     var tabs = document.querySelector('.tabs'),
//         labels = document.querySelector('.tabs-labels'),
//         triggers = document.querySelectorAll('.tabs-label'),
//         panels = document.querySelectorAll('.tabs-panel');

//     function activate(i) {
//         triggers[i].classList.add('tabs-label--active');
//         panels[i].classList.add('tabs-panel--active');
//     }

//     function bindEvents() {
//         labels.addEventListener('click', function (e) {
//             var el = e.target,
//                 index;

//             if (el.classList.contains('tabs-label')) {
//                 for (var t = 0; t < triggers.length; t++) {
//                     triggers[t].classList.remove('tabs-label--active');
//                     panels[t].classList.remove('tabs-panel--active');

//                     if (el === triggers[t]) {
//                         index = t;
//                     }
//                 }

//                 activate(index);
//             }
//         });
//     }

//     function init() {
//         activate(0);
//         bindEvents();
//     }

//     // Init
//     init();
// }());


S.Point = function (args) {
    this.x = args.x;
    this.y = args.y;
    this.z = args.z;
    this.a = args.a;
    this.h = args.h;
};


S.Color = function (r, g, b, a) {
    this.r = r;
    this.g = g;
    this.b = b;
    this.a = a;
};

S.Color.prototype = {
    render: function () {
        return 'rgba(' + this.r + ',' + + this.g + ',' + this.b + ',' + this.a + ')';
    }
};


S.Dot = function (x, y) {
    this.p = new S.Point({
        x: x,
        y: y,
        z: 5,
        a: 1,
        h: 0
    });

    this.e = 0.07;
    this.s = true;

    this.c = new S.Color(255, 255, 255, this.p.a);

    this.t = this.clone();
    this.q = [];
};

S.Dot.prototype = {
    clone: function () {
        return new S.Point({
            x: this.x,
            y: this.y,
            z: this.z,
            a: this.a,
            h: this.h
        });
    },

    // _draw: function () {
    _draw: function (x) {
        this.c.a = this.p.a;
        //   S.Drawing.drawCircle(this.p, this.c);
        S.Drawing.drawCircle(this.p, this.c, x);
    },

    _moveTowards: function (n) {
        var details = this.distanceTo(n, true),
            dx = details[0],
            dy = details[1],
            d = details[2],
            e = this.e * d;

        if (this.p.h === -1) {
            this.p.x = n.x;
            this.p.y = n.y;
            return true;
        }

        if (d > 1) {
            this.p.x -= ((dx / d) * e);
            this.p.y -= ((dy / d) * e);
        } else {
            if (this.p.h > 0) {
                this.p.h--;
            } else {
                return true;
            }
        }

        return false;
    },

    _update: function () {
        if (this._moveTowards(this.t)) {
            var p = this.q.shift();

            if (p) {
                this.t.x = p.x || this.p.x;
                this.t.y = p.y || this.p.y;
                this.t.z = p.z || this.p.z;
                this.t.a = p.a || this.p.a;
                this.p.h = p.h || 0;
            } else {
                if (this.s) {
                    this.p.x -= Math.sin(Math.random() * 3.142);
                    this.p.y -= Math.sin(Math.random() * 3.142);
                } else {
                    this.move(new S.Point({
                        x: this.p.x + (Math.random() * 50) - 25,
                        y: this.p.y + (Math.random() * 50) - 25,
                    }));
                }
            }
        }

        d = this.p.a - this.t.a;
        this.p.a = Math.max(0.1, this.p.a - (d * 0.05));
        d = this.p.z - this.t.z;
        this.p.z = Math.max(1, this.p.z - (d * 0.05));
    },

    distanceTo: function (n, details) {
        var dx = this.p.x - n.x,
            dy = this.p.y - n.y,
            d = Math.sqrt(dx * dx + dy * dy);

        return details ? [dx, dy, d] : d;
    },

    move: function (p, avoidStatic) {
        if (!avoidStatic || (avoidStatic && this.distanceTo(p) > 1)) {
            this.q.push(p);
        }
    },

    // render: function () {
    render: function (x) {
        this._update();
        this._draw(x);
        // this._draw();
    }
}


S.ShapeBuilder = (function () {
    var gap = 13,
        shapeCanvas = document.createElement('canvas'),
        shapeContext = shapeCanvas.getContext('2d'),
        fontSize = 500,
        fontFamily = 'Avenir, Helvetica Neue, Helvetica, Arial, sans-serif';

    function fit() {
        shapeCanvas.width = Math.floor(window.innerWidth / gap) * gap;
        shapeCanvas.height = Math.floor(window.innerHeight / gap) * gap;
        shapeContext.fillStyle = 'red';
        shapeContext.textBaseline = 'middle';
        shapeContext.textAlign = 'center';
    }

    function processCanvas() {
        var pixels = shapeContext.getImageData(0, 0, shapeCanvas.width, shapeCanvas.height).data;
        dots = [],
            pixels,
            x = 0,
            y = 0,
            fx = shapeCanvas.width,
            fy = shapeCanvas.height,
            w = 0,
            h = 0;

        for (var p = 0; p < pixels.length; p += (4 * gap)) {
            if (pixels[p + 3] > 0) {
                dots.push(new S.Point({
                    x: x,
                    y: y
                }));

                w = x > w ? x : w;
                h = y > h ? y : h;
                fx = x < fx ? x : fx;
                fy = y < fy ? y : fy;
            }

            x += gap;

            if (x >= shapeCanvas.width) {
                x = 0;
                y += gap;
                p += gap * 4 * shapeCanvas.width;
            }
        }

        return { dots: dots, w: w + fx, h: h + fy };
    }

    function setFontSize(s) {
        shapeContext.font = 'bold ' + s + 'px ' + fontFamily;
    }

    function isNumber(n) {
        return !isNaN(parseFloat(n)) && isFinite(n);
    }

    function init() {
        fit();
        window.addEventListener('resize', fit);
    }

    // Init
    init();

    return {
        imageFile: function (url, callback) {
            var image = new Image(),
                a = S.Drawing.getArea();

            image.onload = function () {
                shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
                shapeContext.drawImage(this, 0, 0, a.h * 0.6, a.h * 0.6);
                callback(processCanvas());
            };

            image.onerror = function () {
                callback(S.ShapeBuilder.letter('What?'));
            }

            image.src = url;
        },

        circle: function (d) {
            var r = Math.max(0, d) / 2;
            shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
            shapeContext.beginPath();
            shapeContext.arc(r * gap, r * gap, r * gap, 0, 2 * Math.PI, false);
            shapeContext.fill();
            shapeContext.closePath();

            return processCanvas();
        },

        letter: function (l) {
            var s = 0;

            setFontSize(fontSize);
            s = Math.min(fontSize,
                (shapeCanvas.width / shapeContext.measureText(l).width) * 0.8 * fontSize,
                (shapeCanvas.height / fontSize) * (isNumber(l) ? 1 : 0.45) * fontSize);
            setFontSize(s);

            shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
            shapeContext.fillText(l, shapeCanvas.width / 2, shapeCanvas.height / 2);

            return processCanvas();
        },

        rectangle: function (w, h) {
            var dots = [],
                width = gap * w,
                height = gap * h;

            for (var y = 0; y < height; y += gap) {
                for (var x = 0; x < width; x += gap) {
                    dots.push(new S.Point({
                        x: x,
                        y: y,
                    }));
                }
            }

            return { dots: dots, w: width, h: height };
        }
    };
}());


S.Shape = (function () {
    var dots = [],
        width = 0,
        height = 0,
        cx = 0,
        cy = 0;

    function compensate() {
        var a = S.Drawing.getArea();

        cx = a.w / 2 - width / 2;
        cy = a.h / 2 - height / 2;
    }

    return {
        shuffleIdle: function () {
            var a = S.Drawing.getArea();

            for (var d = 0; d < dots.length; d++) {
                if (!dots[d].s) {
                    dots[d].move({
                        x: Math.random() * a.w,
                        y: Math.random() * a.h
                    });
                }
            }
        },

        clearCanvas: function(){
            dots = [];	
        },

        switchShape: function (n, fast) {
            var size,
                a = S.Drawing.getArea();

            width = n.w;
            height = n.h;

            compensate();

            if (n.dots.length > dots.length) {
                size = n.dots.length - dots.length;
                for (var d = 1; d <= size; d++) {
                    dots.push(new S.Dot(a.w / 2, a.h / 2));
                }
            }

            var d = 0,
                i = 0;

            while (n.dots.length > 0) {
                i = Math.floor(Math.random() * n.dots.length);
                dots[d].e = fast ? 0.25 : (dots[d].s ? 0.14 : 0.11);

                if (dots[d].s) {
                    dots[d].move(new S.Point({
                        z: Math.random() * 20 + 10,
                        a: Math.random(),
                        h: 18
                    }));
                } else {
                    dots[d].move(new S.Point({
                        z: Math.random() * 5 + 5,
                        h: fast ? 18 : 30
                    }));
                }

                dots[d].s = true;
                dots[d].move(new S.Point({
                    x: n.dots[i].x + cx,
                    y: n.dots[i].y + cy,
                    a: 1,
                    z: 5,
                    h: 0
                }));

                n.dots = n.dots.slice(0, i).concat(n.dots.slice(i + 1));
                d++;
            }

            for (var i = d; i < dots.length; i++) {
                if (dots[i].s) {
                    dots[i].move(new S.Point({
                        z: Math.random() * 20 + 10,
                        a: Math.random(),
                        h: 20
                    }));

                    dots[i].s = false;
                    dots[i].e = 0.04;
                    dots[i].move(new S.Point({
                        x: Math.random() * a.w,
                        y: Math.random() * a.h,
                        a: 0.3, //.4
                        z: Math.random() * 4,
                        h: 0
                    }));
                }
            }
        },

        render: function () {
            // for (var d = 0; d < dots.length; d++) {
            //     dots[d].render();
            // }
            for (var d = 0; d < dots.length; d++) {
                if (return_array.length > 0) {
                    var j = d % return_array.length;
                    dots[d].render(return_array[j].avatar);
                }
                else {
                    if (placeholder_image_arr.length > 0) {
                        var k = d % placeholder_image_arr.length;
                        dots[d].render(placeholder_image_arr[k]);
                    }
                    else {
                        dots[d].render(default_placeholder_image);
                    }
                }
            }
        }
    }
}());


// S.init();
